IP Library Granted Patent US 7,424,343
Granted Patent B2
US 7,424,343 · App. 10/916,223 · Granted Sep 9, 2008

Method and apparatus for load reduction in an electric power system

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Quick Facts
Patent No.
US 7,424,343
App. No.
10/916,223
Granted
Sep 9, 2008
Kind
B2
Abstract

A system for load control in an electrical power system is described, wherein one or more data interface devices are provided to a cooling system. The data interface devices are configured to receive commands for controlling the cooling system. A remote monitoring system, such as a monitoring system operated by a power company or a power transmission company sends one or more commands to the data interfaced devices to adjust loading on the electrical power system. In one embedment, the monitoring system sends shutdown commands. In one embedment, the monitoring system sends commands to tell a compressor in the cooling system to operate in a relatively low-speed mode. In one embedment, the monitoring system sends tell the compressor and/or the cooling system to operate in a relatively low-power mode. In one embodiment, the commands are time-limited, thereby allowing the cooling system to resume normal operation after a specified period of time. In one embodiment, the commands include query commands to cause the cooling system to report operating characteristics (e.g., efficiency, time of operation, etc.) back to the monitoring center.

Claims (8)

1. A system for load control in an electrical power system, comprising:

a thermostat configured to control a cooling system;

a data interface device provided to said thermostat, said data interface device configured to receive commands, said data interface device addressable using an identification code, said data interface device comprising one or more sensors to measure one or more physical characteristics of operation of a refrigerant cycle in said cooling system and a processor configured to compute an operating efficiency of said refrigerant cycle of said cooling system at least in part using data from said one or more sensors, at least one of said sensors configured to measure a temperature of a refrigerant in said cooling system; and

a remote monitoring system, said remote monitoring system configured to send a first command to said data interfaced device to adjust loading on said electrical power system, said system configured to use said data from said one or more sensors to diagnose an anomalous operating condition of said refrigerant cycle system, wherein said anomalous operating condition comprises a refrigerant undercharge.

2. A system for load control in an electrical power system, comprising:

a thermostat configured to control a cooling system;

a data interface device provided to said thermostat, said data interface device configured to receive commands, said data interface device addressable using an identification code, said data interface device comprising one or more sensors to measure one or more physical characteristics of operation of a refrigerant cycle in said cooling system and a processor configured to compute an operating efficiency of said refrigerant cycle of said cooling system at least in part using data from said one or more sensors, at least one of said sensors configured to measure a temperature of a refrigerant in said cooling system; and

a remote monitoring system, said remote monitoring system configured to send a first command to said data interfaced device to adjust loading on said electrical power system, said system configured to use said data from said one or more sensors to diagnose an anomalous operating condition of said refrigerant cycle system, wherein said anomalous operating condition comprises a refrigerant overcharge.

Assignments (8)
SECURITY INTEREST Recorded Jul 9, 2024
From: COPELAND LP
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 068241/0264 →
SECURITY INTEREST Recorded Jul 17, 2023
From: COPELAND LP
To: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
Reel/Frame 064278/0598 →
SECURITY INTEREST Recorded Jul 17, 2023
From: COPELAND LP
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 064280/0695 →
SECURITY INTEREST Recorded Jul 17, 2023
From: COPELAND LP
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 064279/0327 →
ENTITY CONVERSION Recorded Jun 22, 2023
From: EMERSON CLIMATE TECHNOLOGIES, INC.
To: COPELAND LP
Reel/Frame 064058/0724 →
RELEASE OF SECURITY INTEREST Recorded Jan 29, 2013
From: KNOBBE, MARTENS, OLSON & BEAR, LLP
To: THE STAPLETON GROUP, INC.
Reel/Frame 029714/0489 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 29, 2013
From: THE STAPLETON GROUP, INC.
To: EMERSON CLIMATE TECHNOLOGIES, INC.
Reel/Frame 029714/0538 →
SECURITY INTEREST Recorded Mar 26, 2009
From: KATES, LAWRENCE
To: KNOBBE, MARTENS, OLSON & BEAR, LLP
Reel/Frame 022460/0472 →